| File name: | rukablud.exe |
| Full analysis: | https://app.any.run/tasks/f9b076b9-ae8a-4a01-a15c-ee77e7c52462 |
| Verdict: | Malicious activity |
| Threats: | Stealers are a group of malicious software that are intended for gaining unauthorized access to users’ information and transferring it to the attacker. The stealer malware category includes various types of programs that focus on their particular kind of data, including files, passwords, and cryptocurrency. Stealers are capable of spying on their targets by recording their keystrokes and taking screenshots. This type of malware is primarily distributed as part of phishing campaigns. |
| Analysis date: | September 08, 2024, 14:33:23 |
| OS: | Windows 10 Professional (build: 19045, 64 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/x-dosexec |
| File info: | PE32 executable (GUI) Intel 80386, for MS Windows |
| MD5: | B2BD93CA844D3CA21E0B7C8E8816636A |
| SHA1: | 341A05FEA88684427ECDBB604A075369A0EC7EAE |
| SHA256: | F250B75F0EBE5F2617A85AB468FC94FAF3914F3FFF1DD01C27F81142F84348D2 |
| SSDEEP: | 98304:xcY5AaZzAzlcPxL2gZZbt9UswbIo7FHHywXV2kj83QMUUEr+O2aS9lYWTtTeRZeZ:wH2JWK |
MALICIOUS
Uses sleep, probably for evasion detection (SCRIPT)
- wscript.exe (PID: 5152)
Actions looks like stealing of personal data
- rukablud.exe (PID: 6792)
SUSPICIOUS
Executable content was dropped or overwritten
- rukablud.exe (PID: 6792)
The process executes VB scripts
- rukablud.exe (PID: 4092)
Reads security settings of Internet Explorer
- rukablud.exe (PID: 6792)
- rukablud.exe (PID: 4092)
Mutex name with non-standard characters
- rukablud.exe (PID: 6792)
INFO
Checks supported languages
- rukablud.exe (PID: 6792)
- rukablud.exe (PID: 4092)
Reads the computer name
- rukablud.exe (PID: 4092)
- rukablud.exe (PID: 6792)
Create files in a temporary directory
- rukablud.exe (PID: 6792)
- rukablud.exe (PID: 4092)
The process uses the downloaded file
- rukablud.exe (PID: 4092)
- wscript.exe (PID: 5152)
- rukablud.exe (PID: 6792)
Process checks computer location settings
- rukablud.exe (PID: 4092)
- rukablud.exe (PID: 6792)
Checks proxy server information
- wscript.exe (PID: 5152)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | Win32 Executable Borland Delphi 6 (85.5) |
|---|---|---|
| .exe | | | Win32 Executable Delphi generic (4.6) |
| .scr | | | Windows screen saver (4.2) |
| .dll | | | Win32 Dynamic Link Library (generic) (2.1) |
| .exe | | | Win32 Executable (generic) (1.4) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 1992:06:19 22:22:17+00:00 |
| ImageFileCharacteristics: | Executable, No line numbers, No symbols, Bytes reversed lo, 32-bit, Bytes reversed hi |
| PEType: | PE32 |
| LinkerVersion: | 2.25 |
| CodeSize: | 29696 |
| InitializedDataSize: | 10752 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x80e4 |
| OSVersion: | 4 |
| ImageVersion: | - |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
Total processes
126
Monitored processes
3
Malicious processes
1
Suspicious processes
2
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4092 | "C:\Users\admin\AppData\Local\Temp\3582-490\rukablud.exe" | C:\Users\admin\AppData\Local\Temp\3582-490\rukablud.exe | — | rukablud.exe | |||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Modules
| |||||||||||||||
| 5152 | "C:\WINDOWS\System32\WScript.exe" "C:\Users\admin\AppData\Local\Temp\RarSFX0\play.vbs" | C:\Windows\SysWOW64\wscript.exe | — | rukablud.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft ® Windows Based Script Host Exit code: 0 Version: 5.812.10240.16384 Modules
| |||||||||||||||
| 6792 | "C:\Users\admin\AppData\Local\Temp\rukablud.exe" | C:\Users\admin\AppData\Local\Temp\rukablud.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Modules
| |||||||||||||||
Total events
2 070
Read events
2 002
Write events
66
Delete events
2
Modification events
| (PID) Process: | (4092) rukablud.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.vbs\OpenWithProgids |
| Operation: | write | Name: | VBSFile |
Value: | |||
| (PID) Process: | (5152) wscript.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows Media\WMSDK\General |
| Operation: | write | Name: | UniqueID |
Value: {196C14BD-C9E1-486A-AC49-D60F01205F8C} | |||
| (PID) Process: | (5152) wscript.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows Media\WMSDK\General |
| Operation: | write | Name: | ComputerName |
Value: DESKTOP-JGLLJLD | |||
| (PID) Process: | (5152) wscript.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows Media\WMSDK\General |
| Operation: | write | Name: | VolumeSerialNumber |
Value: 649566714 | |||
| (PID) Process: | (5152) wscript.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\MediaPlayer\Player\Settings |
| Operation: | delete value | Name: | Client ID |
Value: {CECDFD5C-8F08-4FEF-8713-FAA895A422EB} | |||
| (PID) Process: | (5152) wscript.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows Media\WMSDK\Namespace |
| Operation: | write | Name: | LocalBase |
Value: C:\Users\admin\AppData\Local\Microsoft\Windows Media\12.0\WMSDKNS.XML | |||
| (PID) Process: | (5152) wscript.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows Media\WMSDK\Namespace |
| Operation: | write | Name: | DTDFile |
Value: C:\Users\admin\AppData\Local\Microsoft\Windows Media\12.0\WMSDKNS.DTD | |||
| (PID) Process: | (5152) wscript.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows Media\WMSDK\Namespace |
| Operation: | write | Name: | LocalDelta |
Value: C:\Users\admin\AppData\Local\Microsoft\Windows Media\12.0\WMSDKNSD.XML | |||
| (PID) Process: | (5152) wscript.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows Media\WMSDK\Namespace |
| Operation: | write | Name: | RemoteDelta |
Value: C:\Users\admin\AppData\Local\Microsoft\Windows Media\12.0\WMSDKNSR.XML | |||
| (PID) Process: | (5152) wscript.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\MediaPlayer\Preferences\ProxySettings\HTTP |
| Operation: | write | Name: | ProxyStyle |
Value: 1 | |||
Executable files
8
Suspicious files
3
Text files
5
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 4092 | rukablud.exe | C:\Users\admin\AppData\Local\Temp\RarSFX0\lucky1.wav | wav | |
MD5:0A2821BA1B31A27A3FCB33C38F455C55 | SHA256:31036D9A96E64187A451E75629669C54A22F4A62A434953B6295AA48E0F888E5 | |||
| 4092 | rukablud.exe | C:\Users\admin\AppData\Local\Temp\RarSFX0\play.vbs | text | |
MD5:943FBF2E322C3947A95E5B65F037830A | SHA256:80B5238FAEDC84F7A8FA7151B03C968FD6693C37E7F9E9A116614E5D18EDB7BF | |||
| 6792 | rukablud.exe | C:\Users\admin\AppData\Local\Microsoft\OneDrive\19.043.0304.0013\FileSyncHelper.exe | executable | |
MD5:1C0BE16E6ED8F5B6F0910650A25F4FA7 | SHA256:3028F6A6A7A10DC5D63F256FEEB8275F3818BF3371EAF8B20A2D0BF2FCD5F4A9 | |||
| 6792 | rukablud.exe | C:\Users\admin\AppData\Local\Microsoft\OneDrive\19.043.0304.0013\FileSyncConfig.exe | executable | |
MD5:0C5EC1AE9A301408AF26032B445FBB08 | SHA256:3A8010F1E4E028782093877D969EB127B80AE48B7215A8D3F91E8AB9C165AC7A | |||
| 6792 | rukablud.exe | C:\Users\admin\AppData\Local\Microsoft\OneDrive\19.043.0304.0013\FileCoAuth.exe | executable | |
MD5:13C2D5BF03C4A2B28E930F990CCC32DB | SHA256:12D24D0BC0E7CDC902E3540A3C6F7B755094F011A8EAD49A47A00563710B8F80 | |||
| 5152 | wscript.exe | C:\Users\admin\AppData\Local\Microsoft\Windows Media\12.0\WMSDKNS.XML | text | |
MD5:5433EAB10C6B5C6D55B7CBD302426A39 | SHA256:23DBF7014E99E93AF5F2760F18EE1370274F06A453145C8D539B66D798DAD131 | |||
| 5152 | wscript.exe | C:\Users\admin\AppData\Local\Microsoft\Windows Media\12.0\WMSDKNS.DTD | xml | |
MD5:90BE2701C8112BEBC6BD58A7DE19846E | SHA256:644FBCDC20086E16D57F31C5BAD98BE68D02B1C061938D2F5F91CBE88C871FBF | |||
| 6792 | rukablud.exe | C:\Users\admin\AppData\Local\Temp\3582-490\rukablud.exe | executable | |
MD5:1BAD0E088A9F975004C2E8C28286E9A3 | SHA256:94B7776AAA8809F1799EF1CB5DDEB57BB6AF67482F95203C0F385CC42100466C | |||
| 6792 | rukablud.exe | C:\Users\admin\AppData\Local\Microsoft\OneDrive\19.043.0304.0013\OneDriveUpdaterService.exe | executable | |
MD5:E73AC057B2CFEF016B8199389F0DF590 | SHA256:20ABA9D6001E5CDC287CD5BD452D0F2D05980D83F851D2B309BF49E9D9A8AC4C | |||
| 6792 | rukablud.exe | C:\Users\admin\AppData\Local\Microsoft\OneDrive\OneDriveStandaloneUpdater.exe | executable | |
MD5:A747FA4161FE3C00C3FBB4BF391D4D4E | SHA256:B7BA59428AF7AE08C5BF927B57E326D5259E6ED31BD4237AA6A44378177364C1 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
4
TCP/UDP connections
27
DNS requests
13
Threats
0
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
— | — | GET | 200 | 23.218.209.163:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
1744 | svchost.exe | GET | 200 | 192.229.221.95:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D | unknown | — | — | whitelisted |
3272 | SIHClient.exe | GET | 200 | 23.218.209.163:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl | unknown | — | — | whitelisted |
3272 | SIHClient.exe | GET | 200 | 23.218.209.163:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl | unknown | — | — | whitelisted |
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
2400 | svchost.exe | 4.231.128.59:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
— | — | 4.231.128.59:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
— | — | 23.218.209.163:80 | www.microsoft.com | AKAMAI-AS | DE | whitelisted |
3888 | svchost.exe | 239.255.255.250:1900 | — | — | — | whitelisted |
3260 | svchost.exe | 40.115.3.253:443 | client.wns.windows.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
1744 | svchost.exe | 20.190.159.64:443 | login.live.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
1744 | svchost.exe | 192.229.221.95:80 | ocsp.digicert.com | EDGECAST | US | whitelisted |
4324 | svchost.exe | 40.127.240.158:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
4 | System | 192.168.100.255:137 | — | — | — | whitelisted |
DNS requests
Domain | IP | Reputation |
|---|---|---|
settings-win.data.microsoft.com |
| whitelisted |
www.microsoft.com |
| whitelisted |
google.com |
| whitelisted |
client.wns.windows.com |
| whitelisted |
login.live.com |
| whitelisted |
ocsp.digicert.com |
| whitelisted |
slscr.update.microsoft.com |
| whitelisted |
fe3cr.delivery.mp.microsoft.com |
| whitelisted |